Experience debugging complex problems and implementing timely cost-effective solutions -?Experience designing, building, and operating large-scale production systems -?Deep knowledge of Python is preferred, though other languages like Java, Go, Rust, or similar will also be heavily considered -?Experience using source control (Git, GitHub) and feature branching strategies -?Experience with a variety of open-source databases (MySQL, Postgres, Redis More ❯
strong foundation in software engineering skills, design patterns, and building scalable systems. Strong communication skills and ability to explain complex technical concepts. Solid experience in key technologies (Kotlin preferred, Java, JS). Experience with cloud platforms (AWS, GCP, or Azure) and working with APIs. Proven ability to lead complex technical projects from conception to deployment. Strong understanding of system design More ❯
production deployments Qualifications Bachelor's degree (or equivalent) in Computer Science or a related field Strong coding skills with demonstrated proficiency in programming languages, such as Go, Python, Rust, Java, or similar languages 5+ years' experience building highly scalable distributed systems and services Experience building applications in a service-oriented architecture Excellent communication and collaboration skills Excellent problem-solving and More ❯
skills in English Strong presentation skills with the ability to establish credibility with executives High availability for fast response to customers Comfortable coding in any high-level programming language (Java, Go, Python) - advantage BSc degree in Computer Science/Engineering - advantage Experience in SAAS B2B software companies - advantage Cultural Fit We're seeking candidates who are hungry, humble, and smart. More ❯
Out in Science, Technology, Engineering, and Mathematics
grade technology systems Experience building and leading a team of engineers whilst operating collaboratively across cross-functional teams Strong software development skills (problem decomposition, design, implementation, testing) Expertise in Java with experience in Spring, Unix, SQL, AMPS, Kafka, AWS, EKS, Kubernetes, FIX Excellent written and oral communication skills. Equal Employment Opportunity and Affirmative Action Statement PIMCO recruits and hires qualified More ❯
Monitoring and optimizing model performance Exploring latest ML/AI advancements Ensuring AI practices comply with policies and ethics Providing technical guidance to cross-functional teams Programming in Python, Java, .NET, JavaScript, or C++ Using MLOps tools and frameworks Source control with Git, Mercurial, or Perforce Containerization with Docker, Kubernetes Additional experience in the following is desirable but not mandatory More ❯
Computer Science, Engineering, or related field 5+ years of professional software development experience Experience designing and delivering highly-available, scalable cloud-based systems Development experience in languages such as Java, Scala, Go, C++, or similar Experience with frontend technologies, especially React, and a solid understanding of general web development practices Experience working with SQL or NoSQL data stores Experience using More ❯
care, career development opportunities and performance bonuses. For a comprehensive list of benefits, speak to our recruitment team. We are looking for: Hands on experience of developing software in Java, JavaScript or Python Understanding of Cloud-based architectures in AWS or Azure Use of DevOps Automated Deployment tools such as Jenkins, Gitlab, Docker, OpenShift or Kubernetes Understanding of database technologies More ❯
and focused knowledge on products and services within their specialty domain including expertise that extends beyond the Rackspace portfolio. Knowledge modern software development practices with exposure to any language, Java, C#, Node.js, Scala, Python or GO preferred. Knowledge of building containerised applications and systems on modern container orchestration platforms. Knowledge of CI/CD pipelines with respect to serverless and More ❯
problem-solving and communication skills, with the ability to work effectively in collaborative teams. Exposure to agile delivery methods. Experience with other development languages or frameworks such as JavaScript, Java, Python, or .NET - or a strong willingness to learn and adapt to new technologies as required. Qualifications & Certifications Salesforce Platform Developer I - Required Salesforce Platform Developer II - Desirable Other Salesforce More ❯
Out in Science, Technology, Engineering, and Mathematics
Computer Science, Engineering, or related field 5+ years of professional software development experience Experience designing and delivering highly-available, scalable cloud-based systems Development experience in languages such as Java, Scala, Go, C++, or similar Experience with frontend technologies, especially React, and a solid understanding of general web development practices Experience working with SQL or NoSQL data stores Experience using More ❯
Science, Engineering, or related field 1- 3 years of professional software development experience Experience designing and delivering highly-available, scalable cloud-based systems Development experience in languages such as Java, Scala, Go, C++, or similar Experience with frontend technologies, especially React, and a solid understanding of general web development practices Experience working with SQL or NoSQL data stores Experience using More ❯
a mix of disciplines, which allows us to come up with cutting edge, high quality solutions. What background we are looking for: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial, Perforce Utilising CI/CD tools More ❯
Strong technical knowledge, including: Cloud Experience (AWS, GCP) Kubernetes and Container experience Infrastructure as code (Terraform) Dashboard creation, front-end experience Proficiency with at least one programming language (ideally Java, Golang, Python, SQL.) Strong automation skills with CI/CD experience Experience with developing integrations by interacting with APIs Ability and willingness to learn new technologies and adapt to evolving More ❯
comply with compliance processes and guidelines. Providing technical guidance in the implementation and integration of machine learning to other cross-functional teams. Programming in one or more of Python, Java, .Net, JavaScript, C++. Using MLOps tools and frameworks. Source controlling your code with Version Control Systems, for example Git, Mercurial, Perforce. Utilising containerisation technologies e.g. Docker, Kubernetes. It would be More ❯
Are you ready to take the next step in your career as a Java Developer? Join one of the world's leading IT services, consulting, and business solutions organization. Founded in 1968, the company consistently ranks among the top global IT service providers. With a presence in over 50 countries, the company has built a reputation for delivering high-quality … technology services across industries including banking, healthcare, telecommunications, and retail. The leading consultancy firm partnered with a major multinational Investment Bank and is looking for a skilled Java Developer to focus on modernising a real-time, event-driven system while improving scalability to accommodate increasing business event processing and data volumes. Want to be part of a team that thrives … in excellence? Feel free to reach out and apply today! Responsibilities: Develop and maintain high-performance applications using Java and Spring Boot Work with message-based architectures such as MQ/Kafka Design and optimize SQL queries for Sybase and/or DB2 Develop Unix/Linux scripts using Shell or Python Follow best practices in software development, testing, and More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior Full Stack Developer/Engineer (Java Angular) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift … or mobile device (iOS/Android). As a Senior Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as … London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems More ❯
access to capital and liquidity. What We do/The Team The FX Data Analytics & AI Technology team, within Citi's FX Technology organization, seeks a highly motivated Senior Java Data Engineer. The FX Data Analytics & Gen AI Technology team provides data, analytics, and tools to Citi FX sales and trading globally and is responsible for defining and executing the … a practical and pragmatic attitude, ability to build consensus, and work both collaboratively and independently in a dynamic environment. Role Overview/What will you do: As a Senior Java Engineer, your mission is to help shape our team of innovators and technologists toward creating next-level solutions that improve the way our business is run. Engineer data and analytics … or equivalent education) in a STEM discipline. Proven experience in software engineering and development, and a strong understanding of computer systems and how they operate. Hands on Experience in Java , Spark , Scala ( or Java) Production scale hands-on Experience to write Data pipelines using Spark/any other distributed real time/batch processing. Strong skill set in SQL/ More ❯
Citi's FX Technology team is seeking a passionate and skilled Lead Java Developer to join our rapidly growing Markets technology division. This is an exciting opportunity to work on cutting-edge financial technology solutions that drive global banking operations. As part of Citi's flagship FX area, you will play a pivotal role in shaping the future state of … as well as direct interaction with clients and business teams to deliver impactful solutions in the FX market. Key Responsibilities Plan, design, and develop distributed, high-performance, and resilient Java applications for FX Technology systems. Collaborate with business product owners and internal users to interpret and implement business requirements. Collaborate with cross-functional teams to ensure seamless integration of technical … and deliver critical components of the platform while ensuring scalability and reliability. Provide L3 support and maintain high-quality code using TDD principles. Technical Skills: Strong knowledge of Core Java (JDK 21 and above) and multithreading concepts. Proficiency in designing and implementing efficient data structures and algorithms. Experience with SQL/NoSQL databases (e.g., Oracle, MySQL, Postgres, MongoDB, Cassandra). More ❯
execution algorithms, risk engines, UI dashboards, middle office reconciliation, and account infrastructure. We emphasize event-driven, deterministic system design, real-time observability, and strong security. Our tech stack includes Java (low-latency), Python, Web UI (React/Ag-Grid), Aeron, ClickHouse, Kubernetes, and modern CI/CD tooling, with a strong focus on automation, scalability, and performance. AI-assisted development … to ensure high standards across the codebase. Use AI-driven coding tools (e.g., GitHub Copilot or similar) to accelerate development and improve productivity where appropriate. Requirements 5+ years of Java backend development experience, preferably in a trading or real-time system environment. Deep understanding of Java core internals, multithreading, memory models, and garbage collection. Proven experience in GC-free or More ❯
and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find elegant … The main part of our Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of our backend codebase AWS & GCP - we're cloud-native Microservice based architecture Kubernetes (EKS) TeamCity for CI/CD (lots of team are releasing More ❯
Full-stack Java Developer - Greenfield Trading System Location: Finsbury Square, London (Office-based, Monday to Friday) Salary Range: £60,000 - £80,000 Are you a talented and enthusiastic Full-stack Java Developer looking to build a brand-new trading system? My client, a leading FCA-regulated trading brokerage, is seeking a skilled developer to join a growing team of experienced … technologists and finance professionals. This role offers opportunities for technical ownership from day one as you work on a system built in Java and React Native. Why Join This Opportunity? Greenfield Project: Work on a brand-new system with no legacy tech debt. Direct Impact: As you contribute to a mission-critical flagship product, your work will directly shape the … and Qualifications: Required Qualifications: Bachelor's degree in Computer Science, Information Systems, or a related technical field. A minimum of 5-8 years of experience in application development. Strong Java/Spring/SpringBoot skills. Strong command of SQL (PostgreSQL is preferred) and ORMs (Hibernate/Spring Data). Experience in designing and implementing REST APIs. Experience writing unit/ More ❯
are looking for a Senior Site Reliability Engineer/DevOps Engineer that has come from a Software Development Background in the past and who still has strong C# or Java or other similar OO development language combined with strong knowledge of DevOps tools like Kubernetes and/or Docker and Azure or AWS Cloud platforms. We are looking for a … Required Skills and Experience: Proven experience in a SRE/DevOps/Platform Engineering role and having previously worked in a Software Engineering role in .Net and C# or Java or similar OO development language. Proficiency in C# or Java or another OO development language – alongside knowledge of scripting languages like Bash, Python or PowerShell Production experience operating containerization technologies More ❯
this is the role for you!" Responsibilities Experience in a complex, multi-disciplinary environment, delivering products within specific time-scales and engaging with multiple senior stakeholders Deliver AWS based Java services through CI/CD and Infrastructure as code using Terraform Deploy, Monitor and analyze AWS usage, providing recommendations for cost optimisations without compromising system performance and reliability Refactor monolithic … reviews Guide other engineers, fostering a culture of collaboration, continuous learning, and professional growth Be an effective team player through collaboration, problem solving, and teamwork Experience Demonstratable expertise in Java development, with a strong command of Java 11 and above Proven experience in designing, developing, and optimizing backend systems for data processing at scale within AWS Hands-on experience with More ❯
to complex challenges. We are looking for self-starters, who can readily take ownership and continually strive to innovate. Additionally you should have the following skills and experience: • Strong JAVA 11 + skills and Reactive Programming Experience with the Spring framework and technologies. • Good understanding of asynchronous request handling Building for high availability/resilient distributed systems. • Experience of event … are responsible for hands-on development of software applications, working at pace adhering to Kanban values to resolve high impact, challenging, engineering problems while continuously raising quality standards. Using Java, AKKA and Spring, our Engineers will contribute to all aspects of the architecture and design for this innovative solution. • Play a key role in product engineering, following TDD and BDD More ❯
